Design tool
DRV3255-Q1
Automotive, integrated, 3-phase 48-V Gate Driver Unit (GDU) with 4.5-A peak sink gate drive current
Data sheet
DRV3255-Q1
- AEC-Q100 qualified for automotive applications:
- Device ambient temperature grade 0: –40°C to +150°C
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4B
- Functional Safety-Compliant targeted
- Developed for functional safety applications
- Documentation to aid ISO 26262 system design will be available upon production release
- Systematic capability up to ASIL D targeted
- Three N-Channel half-bridge gate driver
- 3.5-A/4.5-A max peak gate drive current
- Power architecture optimized for 48-V applications
- 12-V/48-V split supply architecture
- 95-V transient absolute maximum rating of DC link power supply (DHCP)
- 105-V Bootstrap voltage to support 90-V MOSFET operating voltage range
- Bootstrap with charge pump for 100% duty cycle
- Integrated configurable Active Short Circuit (ASC) function
- Low-side and High-side ASC support
- Device pin control available
- Fault handling capability
- Serial peripheral interface (SPI) with CRC
- Supports 3.3-V and 5-V logic inputs
- Advanced protection features
- Battery voltage monitors
- MOSFET VDS overcurrent monitors
- MOSFET VGS gate fault monitors
- Analog built in self test
- Internal regulator and clock monitors
- Device thermal warning and shutdown
- Fault condition indicator pin s
The DRV3255-Q1 device is a highly-integrated three phase gate driver for 48-V automotive motor drive applications. The device is specifically designed to support high-power motor drive applications by providing 3.5-A peak source and 4.5-A peak sink gate drive currents, and 90-V MOSFET transient over voltage support. A highly efficient bootstrap architecture is used to minimize power losses and self-heating of the gate drivers. A charge pump allows for the gate drivers to support 100% PWM duty cycle control.
A wide range of diagnostics, monitoring, and protection features supports a robust motor drive system design. A highly configurable Active Short Circuit (ASC) function which enables selected external MOSFETs is integrated to achieve the fast response to system faults and to eliminate the needs of external components.
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Technical documentation
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View all 5 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DRV3255-Q1 Integrated 3-Phase 48-V Automotive Gate Driver Unit (GDU) with Advanced Protection and Diagnostics datasheet (Rev. A) | PDF | HTML | 05 Aug 2022 |
| Application note | System Design Considerations for High-Power Motor Driver Applications | PDF | HTML | 22 Jun 2021 | |
| Application brief | Driving Parallel MOSFETs Using the DRV3255-Q1 (Rev. A) | 22 Feb 2021 | ||
| Technical article | How to optimize a motor-driver design for 48-V starter generators | PDF | HTML | 17 Feb 2021 | |
| Functional safety information | How to Build a Small, Functionally Safe 48-V, 30-kW MHEV Motor-Drive System | PDF | HTML | 15 Feb 2021 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Design tool
DRV3255-Q1-EVM-DESIGN — DRV3255-Q1 evaluation module restriction
Supported products & hardware
Products
BLDC drivers
AC/DC & DC/DC converters (integrated FET)
Multi-channel ICs (PMICs)
Design tool
DRV3255-Q1-SAFETY-DOCS — DRV3255-Q1 safety documentation
Supported products & hardware
Products
BLDC drivers
AC/DC & DC/DC converters (integrated FET)
Multi-channel ICs (PMICs)
Reference designs
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Design guide: PDF
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTQFP (PAP) | 64 | Ultra Librarian |
Ordering & quality
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